The rapid switching between growth and shrinkage at microtubule ends is important for many cellular processes. Recent studies on the structure of the microtubule and on the mechanism of action of the microtubule regulators XKCM1 and OP18 have revealed how these switching events are regulated.
McNally, F. J. (1999, April 22). Microtubule dynamics: Controlling split ends. Current Biology. Current Biology Ltd. https://doi.org/10.1016/S0960-9822(99)80177-8